tumi alpha bravo backpack amazon - Search - Laptop Travel and Commute Bag - Fits up to 15" Screen - 17.0" X 14.0" X 8.3" Crafted from TUMIs signature ballistic nylon with leather accents TUMI - Alpha Bravo Navigation

Our testers review: Commerce writer Alaina Chou ordered king salmon, kanpachi, suzuki sea bass, ultra ahi tuna, and tombo ahi tunathen she and a friend turned it all into dinner for seven

With the cinch straps on the side you can collapse the size down pretty well, and the top pocket is a removable bumbag

Very informative video

Another minor annoyance with this bag is the location of the backpack straps, which can interfere with opening and accessing the main compartment if you leave them connected at the bottom

I told you we would come back to explain the many chemical reactions that were taking place in that little bag to produce the observations that we made